class Environment:
  def __init__(self,init_state):
    pass
  def states(self):
    pass
  def command(self):
    pass
  def variable(self):
    pass
  
  def init_video(self,video):
    pass
  
  def show_menu(self,menu):
    pass
    
  def start_game(self,name):
    pass
    
  def quit(self,quit):
    pass
